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Finding the Fourth Proportional to 473.86, 653.93 and 266.86

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Solution

The fourth proportional to 473.86, 653.93 and 266.86 is: 368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.86 : 653.93 = 266.86 : x
  2. Step 2: Convert to fraction form
    473.86/653.93 = 266.86/x
  3. Step 3: Cross multiply
    473.86x = 653.93 × 266.86
  4. Step 4: Simplify right side
    473.86x = 174,508.24
  5. Step 5: Solve for x
    x = 174,508.24/473.86
  6. Step 6: Final answer
    x = 368.27

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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.