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Finding the Fourth Proportional to 586.91, 884.40 and 486.45

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Solution

The fourth proportional to 586.91, 884.40 and 486.45 is: 733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.91 : 884.40 = 486.45 : x
  2. Step 2: Convert to fraction form
    586.91/884.40 = 486.45/x
  3. Step 3: Cross multiply
    586.91x = 884.40 × 486.45
  4. Step 4: Simplify right side
    586.91x = 430,216.38
  5. Step 5: Solve for x
    x = 430,216.38/586.91
  6. Step 6: Final answer
    x = 733.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.