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Finding the Fourth Proportional to 1,102.04, 1,653.12 and 524.72

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Solution

The fourth proportional to 1,102.04, 1,653.12 and 524.72 is: 787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102.04 : 1,653.12 = 524.72 : x
  2. Step 2: Convert to fraction form
    1,102.04/1,653.12 = 524.72/x
  3. Step 3: Cross multiply
    1,102.04x = 1,653.12 × 524.72
  4. Step 4: Simplify right side
    1,102.04x = 867,425.13
  5. Step 5: Solve for x
    x = 867,425.13/1,102.04
  6. Step 6: Final answer
    x = 787.11

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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.