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Finding the Fourth Proportional to 416, 574.08 and 260.76

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Solution

The fourth proportional to 416, 574.08 and 260.76 is: 359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    416 : 574.08 = 260.76 : x
  2. Step 2: Convert to fraction form
    416/574.08 = 260.76/x
  3. Step 3: Cross multiply
    416x = 574.08 × 260.76
  4. Step 4: Simplify right side
    416x = 149,697.10
  5. Step 5: Solve for x
    x = 149,697.10/416
  6. Step 6: Final answer
    x = 359.85

Related Problems

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.