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Finding the Fourth Proportional to 532.72, 734.74 and 336.08

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Solution

The fourth proportional to 532.72, 734.74 and 336.08 is: 463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.72 : 734.74 = 336.08 : x
  2. Step 2: Convert to fraction form
    532.72/734.74 = 336.08/x
  3. Step 3: Cross multiply
    532.72x = 734.74 × 336.08
  4. Step 4: Simplify right side
    532.72x = 246,931.42
  5. Step 5: Solve for x
    x = 246,931.42/532.72
  6. Step 6: Final answer
    x = 463.53

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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.