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Finding the Fourth Proportional to 332.80, 501.69 and 310.50

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Solution

The fourth proportional to 332.80, 501.69 and 310.50 is: 468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.80 : 501.69 = 310.50 : x
  2. Step 2: Convert to fraction form
    332.80/501.69 = 310.50/x
  3. Step 3: Cross multiply
    332.80x = 501.69 × 310.50
  4. Step 4: Simplify right side
    332.80x = 155,774.75
  5. Step 5: Solve for x
    x = 155,774.75/332.80
  6. Step 6: Final answer
    x = 468.07

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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.