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Finding the Fourth Proportional to 264.84, 365.41 and 152.78

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Solution

The fourth proportional to 264.84, 365.41 and 152.78 is: 210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.84 : 365.41 = 152.78 : x
  2. Step 2: Convert to fraction form
    264.84/365.41 = 152.78/x
  3. Step 3: Cross multiply
    264.84x = 365.41 × 152.78
  4. Step 4: Simplify right side
    264.84x = 55,827.34
  5. Step 5: Solve for x
    x = 55,827.34/264.84
  6. Step 6: Final answer
    x = 210.80

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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.