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Finding the Fourth Proportional to 464.55, 693.03 and 383.16

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Solution

The fourth proportional to 464.55, 693.03 and 383.16 is: 571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.55 : 693.03 = 383.16 : x
  2. Step 2: Convert to fraction form
    464.55/693.03 = 383.16/x
  3. Step 3: Cross multiply
    464.55x = 693.03 × 383.16
  4. Step 4: Simplify right side
    464.55x = 265,541.37
  5. Step 5: Solve for x
    x = 265,541.37/464.55
  6. Step 6: Final answer
    x = 571.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.