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Finding the Fourth Proportional to 1,060.02, 1,588.80 and 572.04

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Solution

The fourth proportional to 1,060.02, 1,588.80 and 572.04 is: 857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.02 : 1,588.80 = 572.04 : x
  2. Step 2: Convert to fraction form
    1,060.02/1,588.80 = 572.04/x
  3. Step 3: Cross multiply
    1,060.02x = 1,588.80 × 572.04
  4. Step 4: Simplify right side
    1,060.02x = 908,857.15
  5. Step 5: Solve for x
    x = 908,857.15/1,060.02
  6. Step 6: Final answer
    x = 857.40

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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.