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Finding the Fourth Proportional to 245.32, 366.12 and 235.40

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Solution

The fourth proportional to 245.32, 366.12 and 235.40 is: 351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.32 : 366.12 = 235.40 : x
  2. Step 2: Convert to fraction form
    245.32/366.12 = 235.40/x
  3. Step 3: Cross multiply
    245.32x = 366.12 × 235.40
  4. Step 4: Simplify right side
    245.32x = 86,184.65
  5. Step 5: Solve for x
    x = 86,184.65/245.32
  6. Step 6: Final answer
    x = 351.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.