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Finding the Fourth Proportional to 586.86, 880.02 and 343.47

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Solution

The fourth proportional to 586.86, 880.02 and 343.47 is: 515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.86 : 880.02 = 343.47 : x
  2. Step 2: Convert to fraction form
    586.86/880.02 = 343.47/x
  3. Step 3: Cross multiply
    586.86x = 880.02 × 343.47
  4. Step 4: Simplify right side
    586.86x = 302,260.47
  5. Step 5: Solve for x
    x = 302,260.47/586.86
  6. Step 6: Final answer
    x = 515.05

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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.