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Finding the Fourth Proportional to 426.34, 587.89 and 370.59

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Solution

The fourth proportional to 426.34, 587.89 and 370.59 is: 511.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.34 : 587.89 = 370.59 : x
  2. Step 2: Convert to fraction form
    426.34/587.89 = 370.59/x
  3. Step 3: Cross multiply
    426.34x = 587.89 × 370.59
  4. Step 4: Simplify right side
    426.34x = 217,862.29
  5. Step 5: Solve for x
    x = 217,862.29/426.34
  6. Step 6: Final answer
    x = 511.01

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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.