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Finding the Fourth Proportional to 903.52, 1,354.80 and 615.04

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Solution

The fourth proportional to 903.52, 1,354.80 and 615.04 is: 922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.52 : 1,354.80 = 615.04 : x
  2. Step 2: Convert to fraction form
    903.52/1,354.80 = 615.04/x
  3. Step 3: Cross multiply
    903.52x = 1,354.80 × 615.04
  4. Step 4: Simplify right side
    903.52x = 833,256.19
  5. Step 5: Solve for x
    x = 833,256.19/903.52
  6. Step 6: Final answer
    x = 922.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.