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Finding the Fourth Proportional to 510.09, 764.16 and 336.24

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Solution

The fourth proportional to 510.09, 764.16 and 336.24 is: 503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.09 : 764.16 = 336.24 : x
  2. Step 2: Convert to fraction form
    510.09/764.16 = 336.24/x
  3. Step 3: Cross multiply
    510.09x = 764.16 × 336.24
  4. Step 4: Simplify right side
    510.09x = 256,941.16
  5. Step 5: Solve for x
    x = 256,941.16/510.09
  6. Step 6: Final answer
    x = 503.72

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.