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Finding the Fourth Proportional to 532.88, 735.58 and 358.72

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Solution

The fourth proportional to 532.88, 735.58 and 358.72 is: 495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.88 : 735.58 = 358.72 : x
  2. Step 2: Convert to fraction form
    532.88/735.58 = 358.72/x
  3. Step 3: Cross multiply
    532.88x = 735.58 × 358.72
  4. Step 4: Simplify right side
    532.88x = 263,867.26
  5. Step 5: Solve for x
    x = 263,867.26/532.88
  6. Step 6: Final answer
    x = 495.17

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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.