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Finding the Fourth Proportional to 377.55, 521.06 and 237.67

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Solution

The fourth proportional to 377.55, 521.06 and 237.67 is: 328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.55 : 521.06 = 237.67 : x
  2. Step 2: Convert to fraction form
    377.55/521.06 = 237.67/x
  3. Step 3: Cross multiply
    377.55x = 521.06 × 237.67
  4. Step 4: Simplify right side
    377.55x = 123,840.33
  5. Step 5: Solve for x
    x = 123,840.33/377.55
  6. Step 6: Final answer
    x = 328.01

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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.