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Finding the Fourth Proportional to 1,166.70, 1,750.08 and 344.98

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Solution

The fourth proportional to 1,166.70, 1,750.08 and 344.98 is: 517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.70 : 1,750.08 = 344.98 : x
  2. Step 2: Convert to fraction form
    1,166.70/1,750.08 = 344.98/x
  3. Step 3: Cross multiply
    1,166.70x = 1,750.08 × 344.98
  4. Step 4: Simplify right side
    1,166.70x = 603,734.29
  5. Step 5: Solve for x
    x = 603,734.29/1,166.70
  6. Step 6: Final answer
    x = 517.47

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1.5x scale

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.