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Finding the Fourth Proportional to 525.24, 724.83 and 292.38

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Solution

The fourth proportional to 525.24, 724.83 and 292.38 is: 403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.24 : 724.83 = 292.38 : x
  2. Step 2: Convert to fraction form
    525.24/724.83 = 292.38/x
  3. Step 3: Cross multiply
    525.24x = 724.83 × 292.38
  4. Step 4: Simplify right side
    525.24x = 211,925.80
  5. Step 5: Solve for x
    x = 211,925.80/525.24
  6. Step 6: Final answer
    x = 403.48

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