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Finding the Fourth Proportional to 1,237.48, 1,855.68 and 588.16

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Solution

The fourth proportional to 1,237.48, 1,855.68 and 588.16 is: 881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.48 : 1,855.68 = 588.16 : x
  2. Step 2: Convert to fraction form
    1,237.48/1,855.68 = 588.16/x
  3. Step 3: Cross multiply
    1,237.48x = 1,855.68 × 588.16
  4. Step 4: Simplify right side
    1,237.48x = 1,091,436.75
  5. Step 5: Solve for x
    x = 1,091,436.75/1,237.48
  6. Step 6: Final answer
    x = 881.98

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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.