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Finding the Fourth Proportional to 935.59, 1,404.03 and 358.47

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Solution

The fourth proportional to 935.59, 1,404.03 and 358.47 is: 537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.59 : 1,404.03 = 358.47 : x
  2. Step 2: Convert to fraction form
    935.59/1,404.03 = 358.47/x
  3. Step 3: Cross multiply
    935.59x = 1,404.03 × 358.47
  4. Step 4: Simplify right side
    935.59x = 503,302.63
  5. Step 5: Solve for x
    x = 503,302.63/935.59
  6. Step 6: Final answer
    x = 537.95

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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.