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Finding the Fourth Proportional to 623.10, 933.93 and 501.45

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Solution

The fourth proportional to 623.10, 933.93 and 501.45 is: 751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.10 : 933.93 = 501.45 : x
  2. Step 2: Convert to fraction form
    623.10/933.93 = 501.45/x
  3. Step 3: Cross multiply
    623.10x = 933.93 × 501.45
  4. Step 4: Simplify right side
    623.10x = 468,319.20
  5. Step 5: Solve for x
    x = 468,319.20/623.10
  6. Step 6: Final answer
    x = 751.60

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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.