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Finding the Fourth Proportional to 588.84, 883.07 and 407.40

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Solution

The fourth proportional to 588.84, 883.07 and 407.40 is: 610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.84 : 883.07 = 407.40 : x
  2. Step 2: Convert to fraction form
    588.84/883.07 = 407.40/x
  3. Step 3: Cross multiply
    588.84x = 883.07 × 407.40
  4. Step 4: Simplify right side
    588.84x = 359,762.72
  5. Step 5: Solve for x
    x = 359,762.72/588.84
  6. Step 6: Final answer
    x = 610.97

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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.