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Finding the Fourth Proportional to 497.04, 745.33 and 291.67

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Solution

The fourth proportional to 497.04, 745.33 and 291.67 is: 437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.04 : 745.33 = 291.67 : x
  2. Step 2: Convert to fraction form
    497.04/745.33 = 291.67/x
  3. Step 3: Cross multiply
    497.04x = 745.33 × 291.67
  4. Step 4: Simplify right side
    497.04x = 217,390.40
  5. Step 5: Solve for x
    x = 217,390.40/497.04
  6. Step 6: Final answer
    x = 437.37

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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.