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Finding the Fourth Proportional to 480.32, 719.91 and 364.37

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Solution

The fourth proportional to 480.32, 719.91 and 364.37 is: 546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.32 : 719.91 = 364.37 : x
  2. Step 2: Convert to fraction form
    480.32/719.91 = 364.37/x
  3. Step 3: Cross multiply
    480.32x = 719.91 × 364.37
  4. Step 4: Simplify right side
    480.32x = 262,315.41
  5. Step 5: Solve for x
    x = 262,315.41/480.32
  6. Step 6: Final answer
    x = 546.13

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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.