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Finding the Fourth Proportional to 586.50, 880.05 and 381.01

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Solution

The fourth proportional to 586.50, 880.05 and 381.01 is: 571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.50 : 880.05 = 381.01 : x
  2. Step 2: Convert to fraction form
    586.50/880.05 = 381.01/x
  3. Step 3: Cross multiply
    586.50x = 880.05 × 381.01
  4. Step 4: Simplify right side
    586.50x = 335,307.85
  5. Step 5: Solve for x
    x = 335,307.85/586.50
  6. Step 6: Final answer
    x = 571.71

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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.