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Finding the Fourth Proportional to 501.92, 749.20 and 496.16

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Solution

The fourth proportional to 501.92, 749.20 and 496.16 is: 740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.92 : 749.20 = 496.16 : x
  2. Step 2: Convert to fraction form
    501.92/749.20 = 496.16/x
  3. Step 3: Cross multiply
    501.92x = 749.20 × 496.16
  4. Step 4: Simplify right side
    501.92x = 371,723.07
  5. Step 5: Solve for x
    x = 371,723.07/501.92
  6. Step 6: Final answer
    x = 740.60

Related Problems

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.