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Finding the Fourth Proportional to 332.77, 498.55 and 245.64

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Solution

The fourth proportional to 332.77, 498.55 and 245.64 is: 368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.77 : 498.55 = 245.64 : x
  2. Step 2: Convert to fraction form
    332.77/498.55 = 245.64/x
  3. Step 3: Cross multiply
    332.77x = 498.55 × 245.64
  4. Step 4: Simplify right side
    332.77x = 122,463.82
  5. Step 5: Solve for x
    x = 122,463.82/332.77
  6. Step 6: Final answer
    x = 368.01

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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.