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Finding the Fourth Proportional to 1,060.02, 1,462.87 and 656.34

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Solution

The fourth proportional to 1,060.02, 1,462.87 and 656.34 is: 905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.02 : 1,462.87 = 656.34 : x
  2. Step 2: Convert to fraction form
    1,060.02/1,462.87 = 656.34/x
  3. Step 3: Cross multiply
    1,060.02x = 1,462.87 × 656.34
  4. Step 4: Simplify right side
    1,060.02x = 960,133.58
  5. Step 5: Solve for x
    x = 960,133.58/1,060.02
  6. Step 6: Final answer
    x = 905.77

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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.