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Finding the Fourth Proportional to 614.58, 922.74 and 603.64

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Solution

The fourth proportional to 614.58, 922.74 and 603.64 is: 906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.58 : 922.74 = 603.64 : x
  2. Step 2: Convert to fraction form
    614.58/922.74 = 603.64/x
  3. Step 3: Cross multiply
    614.58x = 922.74 × 603.64
  4. Step 4: Simplify right side
    614.58x = 557,002.77
  5. Step 5: Solve for x
    x = 557,002.77/614.58
  6. Step 6: Final answer
    x = 906.31

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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.