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Finding the Fourth Proportional to 495.02, 740.93 and 263.58

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Solution

The fourth proportional to 495.02, 740.93 and 263.58 is: 394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.02 : 740.93 = 263.58 : x
  2. Step 2: Convert to fraction form
    495.02/740.93 = 263.58/x
  3. Step 3: Cross multiply
    495.02x = 740.93 × 263.58
  4. Step 4: Simplify right side
    495.02x = 195,293.01
  5. Step 5: Solve for x
    x = 195,293.01/495.02
  6. Step 6: Final answer
    x = 394.52

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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.