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Finding the Fourth Proportional to 910.12, 1,364.10 and 332.50

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Solution

The fourth proportional to 910.12, 1,364.10 and 332.50 is: 498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    910.12 : 1,364.10 = 332.50 : x
  2. Step 2: Convert to fraction form
    910.12/1,364.10 = 332.50/x
  3. Step 3: Cross multiply
    910.12x = 1,364.10 × 332.50
  4. Step 4: Simplify right side
    910.12x = 453,563.25
  5. Step 5: Solve for x
    x = 453,563.25/910.12
  6. Step 6: Final answer
    x = 498.36

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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.