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Finding the Fourth Proportional to 586.07, 878.93 and 312.02

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Solution

The fourth proportional to 586.07, 878.93 and 312.02 is: 467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.07 : 878.93 = 312.02 : x
  2. Step 2: Convert to fraction form
    586.07/878.93 = 312.02/x
  3. Step 3: Cross multiply
    586.07x = 878.93 × 312.02
  4. Step 4: Simplify right side
    586.07x = 274,243.74
  5. Step 5: Solve for x
    x = 274,243.74/586.07
  6. Step 6: Final answer
    x = 467.94

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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.